OKLAHOMA CITY — Kevin Durant scored 23 points, Russell Westbrook added 21 and the Oklahoma City Thunder built a huge first-half lead on their way to a 106-89 victory over the Denver Nuggets in Game 2 on Wednesday night. The first-round playoff series shifts to Denver on Saturday night with Oklahoma City leading 2-0. The Thunder relied heavily on their All-Star duo in Game 1, getting a combined 72 points from Durant and Westbrook. But they got contributions from everyone to build a 26-point lead early in the second quarter of a dominant victory. Ty Lawson scored 20 points to lead Denver, which got as close as 10 in the fourth quarter before Oklahoma City put the game away. Nene and Raymond Felton added 16 points apiece for the Nuggets.